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[81.40.121.121]) by smtp.gmail.com with ESMTPSA id m126sm6405968wmf.3.2020.08.11.10.28.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Aug 2020 10:28:57 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH 2/3] util/vfio-helpers: Add trace event to display device IRQs available Date: Tue, 11 Aug 2020 19:28:44 +0200 Message-Id: <20200811172845.16698-3-philmd@redhat.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200811172845.16698-1-philmd@redhat.com> References: <20200811172845.16698-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/11 05:47:20 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Max Reitz , Alex Williamson , Stefan Hajnoczi , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Add a trace event to display the amount of IRQs available on the device. Signed-off-by: Philippe Mathieu-Daudé --- util/vfio-helpers.c | 1 + util/trace-events | 1 + 2 files changed, 2 insertions(+) diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index 6defefcc01..3ad7e6be52 100644 --- a/util/vfio-helpers.c +++ b/util/vfio-helpers.c @@ -192,6 +192,7 @@ int qemu_vfio_pci_init_irq(QEMUVFIOState *s, EventNotifier *e, error_setg(errp, "Device interrupt doesn't support eventfd"); return -EINVAL; } + trace_qemu_vfio_pci_init_irq(irq_info.count); irq_set_size = sizeof(*irq_set) + sizeof(int32_t); irq_set = g_malloc0(irq_set_size); diff --git a/util/trace-events b/util/trace-events index 0ce42822eb..351dbdbe3c 100644 --- a/util/trace-events +++ b/util/trace-events @@ -83,3 +83,4 @@ qemu_vfio_new_mapping(void *s, void *host, size_t size, int index, uint64_t iova qemu_vfio_do_mapping(void *s, void *host, size_t size, uint64_t iova) "s %p host %p size %zu iova 0x%"PRIx64 qemu_vfio_dma_map(void *s, void *host, size_t size, bool temporary, uint64_t *iova) "s %p host %p size %zu temporary %d iova %p" qemu_vfio_dma_unmap(void *s, void *host) "s %p host %p" +qemu_vfio_pci_init_irq(uint32_t count) "device interrupt count: %"PRIu32